Tub enclosure



FIG. 1 is a perspective view of a tub enclosure showing our design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a right side elevational view thereof.

The broken lines in the drawings represent unclaimed portions of the tubenclosure and form no part thereof.

The ornamental design for a tub enclosure, as shown and described.